Backported from mainline
2017-11-24 Jakub Jelinek <jakub@redhat.com>
PR fortran/81304
* trans-openmp.c (gfc_trans_omp_array_reduction_or_udr): Set
attr.implicit_type in intrinsic_sym to avoid undesirable warning.
* testsuite/libgomp.fortran/pr81304.f90: New test.
From-SVN: r255716
Backported from mainline
2017-11-24 Jakub Jelinek <jakub@redhat.com>
PR sanitizer/83014
* ubsan.c (ubsan_type_descriptor): Use pp_unsigned_wide_integer
instead of pp_printf with HOST_WIDE_INT_PRINT_DEC. Avoid calling
tree_to_uhwi twice.
* gcc.dg/ubsan/pr83014.c: New test.
From-SVN: r255715
Backported from mainline
2017-11-24 Jakub Jelinek <jakub@redhat.com>
* tree-object-size.c (pass_through_call): Do not handle
BUILT_IN_STPNCPY_CHK which is not a pass through call.
* gcc.dg/builtin-object-size-18.c: New test.
From-SVN: r255714
Backported from mainline
2017-11-23 Jakub Jelinek <jakub@redhat.com>
* parser.c (cp_parser_omp_declare): Change return type to bool from
void, return true for declare simd.
(cp_parser_pragma): Return cp_parser_omp_declare returned value
rather than always false.
From-SVN: r255713
Backported from mainline
2017-11-23 Jakub Jelinek <jakub@redhat.com>
PR middle-end/82253
* expr.c (expand_assignment): For CONCAT to_rtx, complex type from and
bitpos/bitsize covering the whole destination, use store_expr only if
the complex mode is the same. Otherwise, use expand_normal and if
it returns CONCAT, subreg each part separately instead of trying to
subreg the whole result.
* gfortran.dg/pr82253.f90: New test.
From-SVN: r255711
Backported from mainline
2017-11-22 Jakub Jelinek <jakub@redhat.com>
PR debug/83084
* valtrack.c (propagate_for_debug_subst, propagate_for_debug): Reset
debug insns if they would contain UNSPEC_VOLATILE or volatile asm.
(dead_debug_insert_temp): Likewise, but also ignore even non-volatile
asm.
* g++.dg/opt/pr83084.C: New test.
From-SVN: r255710
Backported from mainline
2017-11-21 James Cowgill <James.Cowgill@imgtec.com>
Jakub Jelinek <jakub@redhat.com>
PR target/82880
* config/mips/frame-header-opt.c (mips_register_frame_header_opt):
Remove static keyword from f variable.
* gcc.dg/opts-8.c: New test.
From-SVN: r255709
Backported from mainline
2017-11-21 Jakub Jelinek <jakub@redhat.com>
PR c++/83059
* c-common.c (get_atomic_generic_size): Use TREE_INT_CST_LOW
instead of tree_to_uhwi, formatting fix.
* c-c++-common/pr83059.c: New test.
From-SVN: r255708
Backported from mainline
2017-11-20 Jakub Jelinek <jakub@redhat.com>
PR c++/82781
* constexpr.c (cxx_eval_vector_conditional_expression): New function.
(cxx_eval_constant_expression) <case VEC_COND_EXPR>: Use it instead
of cxx_eval_conditional_expression.
* g++.dg/ext/constexpr-pr82781.C: New test.
From-SVN: r255707
2017-12-15 Richard Biener <rguenther@suse.de>
PR bootstrap/83439
* tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
Adjust remaining gimple_set_modified to use the modified
variable instead.
From-SVN: r255704
2017-12-15 Richard Biener <rguenther@suse.de>
Backport from mainline
PR tree-optimization/82060
* tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
Move devirtualization after stmt folding and before EH/AB/noreturn
cleanup to get the stmt refs canonicalized. Use a bool instead
of gimple_modified_p since that doesn't work for NOPs. Schedule
NOPs generated by folding for removal.
* g++.dg/torture/pr82060.C: New testcase.
From-SVN: r255682
2017-12-15 Richard Biener <rguenther@suse.de>
Backport from mainline
2017-09-05 Richard Biener <rguenther@suse.de>
PR tree-optimization/82102
* tree-ssa-pre.c (eliminate): Check if lhs is NULL.
* gcc.dg/torture/pr82102.c: New testcase.
2017-09-13 Richard Biener <rguenther@suse.de>
PR middle-end/82128
* gimple-fold.c (gimple_fold_call): Update SSA name in-place to
default-def to avoid breaking iterator update with the weird
interaction with cgraph_update_edges_for_call_stmt_node.
* g++.dg/pr82128.C: New testcase.
From-SVN: r255678
2017-12-15 Richard Biener <rguenther@suse.de>
Backport from mainline
2017-11-24 Richard Biener <rguenther@suse.de>
PR tree-optimization/82402
* tree-vect-loop-manip.c (create_lcssa_for_virtual_phi): Properly
set SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
* gcc.dg/torture/pr82402.c: New testcase.
2017-10-24 Richard Biener <rguenther@suse.de>
PR tree-optimization/82697
* tree-ssa-phiopt.c (cond_store_replacement): Use alias-set
zero for conditional load and unconditional store.
* gcc.dg/torture/pr82697.c: New testcase.
2017-11-02 Richard Biener <rguenther@suse.de>
PR middle-end/82765
* varasm.c (decode_addr_const): Make offset HOST_WIDE_INT.
Truncate ARRAY_REF index and element size.
* gcc.dg/pr82765.c: New testcase.
2017-11-09 Richard Biener <rguenther@suse.de>
PR tree-optimization/82902
* tree-ssa-phiprop.c (propagate_with_phi): Test proper type.
* g++.dg/torture/pr82902.C: New testcase.
From-SVN: r255677
gcc/
Backport from mainline
2017-10-02 Peter Bergner <bergner@vnet.ibm.com>
PR target/80210
* config/rs6000/rs6000.c (rs6000_option_override_internal): Rewrite
function to not use the have_cpu variable. Do not set cpu_index,
rs6000_cpu_index or rs6000_tune_index if we end up using TARGET_DEFAULT
or the default cpu.
(rs6000_valid_attribute_p): Remove duplicate initializations of
old_optimize and func_optimize.
(rs6000_pragma_target_parse): Call rs6000_activate_target_options ().
(rs6000_activate_target_options): Make global.
* config/rs6000/rs6000-protos.h (rs6000_activate_target_options): Add
prototype.
gcc/testsuite/
Backport from mainline
2017-10-02 Peter Bergner <bergner@vnet.ibm.com>
PR target/80210
* gcc.target/powerpc/pr80210-2.c: New test.
From-SVN: r255655
PR libstdc++/59568
* include/std/complex (operator>>): Only use putback if a character
was successfully extracted and only set the value if a number was
successfully extracted.
* testsuite/26_numerics/complex/inserters_extractors/char/59568.cc:
New test.
From-SVN: r255633
gcc/
Backport from mainline
2017-12-13 Peter Bergner <bergner@vnet.ibm.com>
* config/rs6000/ppc-auxv.h (PPC_FEATURE2_HTM_NO_SUSPEND): New define.
* config/rs6000/rs6000.c (cpu_supports_info): Use it.
gcc/testsuite/
Backport from mainline
2017-12-13 Peter Bergner <bergner@vnet.ibm.com>
* gcc.target/powerpc/cpu-builtin-1.c (htm-no-suspend): Add test.
From-SVN: r255622
* gcc-interface/decl.c (gnat_to_gnu_entity): Robustify test for types
descendant of System.Address.
(gnat_to_gnu_subprog_type): Likewise.
From-SVN: r255600
[gcc]
2017-12-11 Michael Meissner <meissner@linux.vnet.ibm.com>
Back port from trunk
2017-12-01 Michael Meissner <meissner@linux.vnet.ibm.com>
PR target/81959
* config/rs6000/rs6000.c (rs6000_address_for_fpconvert): Check for
whether we can allocate pseudos before trying to fix an address.
* config/rs6000/rs6000.md (float_<mode>si2_hw): Make sure the
memory address is indexed or indirect.
(floatuns_<mode>si2_hw2): Likewise.
[gcct/testsuite]
2017-12-11 Michael Meissner <meissner@linux.vnet.ibm.com>
Back port from trunk
2017-12-01 Michael Meissner <meissner@linux.vnet.ibm.com>
PR target/81959
* gcc.target/powerpc/pr81959.c: New test.
From-SVN: r255545
ChangeLog entry are as follow:
*** gcc/ChangeLog ***
2017-12-11 Sudakshina Das <sudi.das@arm.com>
Backported from trunk
2017-12-01 Sudakshina Das <sudi.das@arm.com>
* config/arm/vfp.md (*movhf_vfp_fp16): Add conds attribute.
*** gcc/testsuite/ChangeLog ***
2017-12-11 Sudakshina Das <sudi.das@arm.com>
Backported from trunk
2017-12-01 Sudakshina Das <sudi.das@arm.com>
* gcc.target/arm/armv8_2-fp16-move-2.c: New test.
From-SVN: r255541
2017-12-10 Tom de Vries <tom@codesourcery.com>
backport from trunk:
2017-09-16 Tom de Vries <tom@codesourcery.com>
PR c/81875
* c-parser.c (c_parser_omp_for_loop): Fold only operands of cond, not
cond itself.
* testsuite/libgomp.c/pr81875.c: New test.
From-SVN: r255531
gcc/testsuite/ChangeLog:
2017-12-07 Kelvin Nilsen <kelvin@gcc.gnu.org>
Backport from trunk
2017-05-08 Kelvin Nilsen <kelvin@gcc.gnu.org>
PR target/80101
* gcc.target/powerpc/pr80101-1.c: New test.
gcc/ChangeLog:
2017-12-07 Kelvin Nilsen <kelvin@gcc.gnu.org>
Backport from trunk
2017-05-08 Kelvin Nilsen <kelvin@gcc.gnu.org>
PR target/80101
* config/rs6000/power6.md: Replace store_data_bypass_p calls with
rs6000_store_data_bypass_p in seven define_bypass directives and
in several comments.
* config/rs6000/rs6000-protos.h: Add prototype for
rs6000_store_data_bypass_p function.
* config/rs6000/rs6000.c (rs6000_store_data_bypass_p): New
function implements slightly different (rs6000-specific) semantics
than store_data_bypass_p, returning false rather than aborting
with assertion error when arguments do not satisfy the
requirements of store data bypass.
(rs6000_adjust_cost): Replace six calls of store_data_bypass_p with
rs6000_store_data_bypass_p.
From-SVN: r255465
2017-12-05 Max Filippov <jcmvbkbc@gmail.com>
Backport from mainline
2017-12-05 Max Filippov <jcmvbkbc@gmail.com>
* config/xtensa/xtensa.c (xtensa_asan_shadow_offset): New
function.
(TARGET_ASAN_SHADOW_OFFSET): New macro definition.
* config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): Set to 1 if
ASAN is enabled.
From-SVN: r255422
gcc/
2017-12-05 Max Filippov <jcmvbkbc@gmail.com>
Backport from mainline
2017-05-08 Max Filippov <jcmvbkbc@gmail.com>
* config/xtensa/xtensa-protos.h
(xtensa_initial_elimination_offset): New declaration.
* config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
New function. Move its body from the INITIAL_ELIMINATION_OFFSET
macro definition, add case for FRAME_POINTER_REGNUM when
FRAME_GROWS_DOWNWARD.
* config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): New macro
definition.
(INITIAL_ELIMINATION_OFFSET): Replace body with call to
xtensa_initial_elimination_offset.
From-SVN: r255421
Add X86_TUNE_EMIT_VZEROUPPER to indicate if vzeroupper instruction should
be inserted before a transfer of control flow out of the function. It is
turned on by default unless we are tuning for KNL. Users can always use
-mzeroupper or -mno-zeroupper to override X86_TUNE_EMIT_VZEROUPPER.
2017-12-04 Sebastian Peryt <sebastian.peryt@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
gcc/
Bakcported from trunk
PR target/82941
PR target/82942
PR target/82990
* config/i386/i386.c (pass_insert_vzeroupper): Remove
TARGET_AVX512F check from gate condition.
(ix86_check_avx256_register): Changed to ...
(ix86_check_avx_upper_register): ... this. Add extra check for
VALID_AVX512F_REG_OR_XI_MODE.
(ix86_avx_u128_mode_needed): Changed
ix86_check_avx256_register to ix86_check_avx_upper_register.
(ix86_check_avx256_stores): Changed to ...
(ix86_check_avx_upper_stores): ... this. Changed
ix86_check_avx256_register to ix86_check_avx_upper_register.
(ix86_avx_u128_mode_after): Changed
avx_reg256_found to avx_upper_reg_found. Changed
ix86_check_avx256_stores to ix86_check_avx_upper_stores.
(ix86_avx_u128_mode_entry): Changed
ix86_check_avx256_register to ix86_check_avx_upper_register.
(ix86_avx_u128_mode_exit): Ditto.
(ix86_option_override_internal): Set MASK_VZEROUPPER if
neither -mzeroupper nor -mno-zeroupper is used and
TARGET_EMIT_VZEROUPPER is set.
* config/i386/i386.h: (host_detect_local_cpu): New define.
(TARGET_EMIT_VZEROUPPER): New.
* config/i386/x86-tune.def: Add X86_TUNE_EMIT_VZEROUPPER.
2017-12-04 Sebastian Peryt <sebastian.peryt@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
gcc/testsuite/
Backported from trunk
PR target/82941
PR target/82942
PR target/82990
* gcc.target/i386/pr82941-1.c: New test.
* gcc.target/i386/pr82941-2.c: Likewise.
* gcc.target/i386/pr82942-1.c: Likewise.
* gcc.target/i386/pr82942-2.c: Likewise.
* gcc.target/i386/pr82990-1.c: Likewise.
* gcc.target/i386/pr82990-2.c: Likewise.
* gcc.target/i386/pr82990-3.c: Likewise.
* gcc.target/i386/pr82990-4.c: Likewise.
* gcc.target/i386/pr82990-5.c: Likewise.
* gcc.target/i386/pr82990-6.c: Likewise.
* gcc.target/i386/pr82990-7.c: Likewise.
Co-Authored-By: H.J. Lu <hongjiu.lu@intel.com>
From-SVN: r255378
2017-12-03 Jerry DeLisle <jvdelisle@gcc.gnu.org>
Backport from trunk
PR libgfortran/83168
* io/write.c (select_string): Bump size by one to avoid
overrun.
From-SVN: r255373
2017-12-03 Jerry DeLisle <jvdelisle@gcc.gnu.org>
Dominique d'Humieres <dominiq@lps.ens.fr>
Backport from trunk
PR libgfortran/83191
* io/transfer.c (list_formatted_read_scalar): Do not set
namelist_mode bit here. (namelist_read): Likewise.
(data_transfer_init): Clear the mode bit here.
(finalize_transfer): Do set the mode bit just before any calls
to namelist_read or namelist_write. It can now be referred to
in complex_write.
* io/write.c (write_complex): Suppress the leading blanks when
namelist_mode bit is not set to 1.
* gfortran.dg/namelist_95.f90: New test.
Co-Authored-By: Dominique d'Humieres <dominiq@lps.ens.fr>
From-SVN: r255368
2017-12-02 Jerry DeLisle <jvdelisle@gcc.gnu.org>
Backport from trunk
PR libgfortran/83225
* io/io.h (is_internal_unit): Use the unit_is_internal bit.
* io/transfer.c (data_transfer_init): Set the bit to true for
internal units. Use that bit for checks for internal unit
initializations.
* io/unit.c (insert_unit): As a precaution, set the
internal_unit_kind to zero when a unit structure is first created.
From-SVN: r255364
Jakub Jelinek
Jakub Jelinek
Richard Biener
Eric Botcazou
Sudakshina Das
GCC Administrator
Peter Bergner
Jonathan Wakely
Michael Meissner
Tom de Vries
Kelvin Nilsen
Max Filippov
Sebastian Huber
Sebastian Peryt
Jerry DeLisle